CN109658789B - High school physics exchanges frequency conversion electromagnetic induction magnetization unit - Google Patents
High school physics exchanges frequency conversion electromagnetic induction magnetization unit Download PDFInfo
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- CN109658789B CN109658789B CN201910014367.1A CN201910014367A CN109658789B CN 109658789 B CN109658789 B CN 109658789B CN 201910014367 A CN201910014367 A CN 201910014367A CN 109658789 B CN109658789 B CN 109658789B
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- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 title claims description 14
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Abstract
The invention discloses a high-school physics alternating-current variable-frequency electromagnetic induction magnetizing device which comprises a bottom plate, wherein a first rotating hole is formed in the top of the bottom plate, a driving motor is fixedly installed on the top of the bottom plate, an output shaft of the driving motor extends into the first rotating hole and is welded with a rotating shaft, a first rotating cavity is formed in the bottom plate, the first rotating cavity is located below the driving motor and is communicated with the first rotating hole, the bottom end of the rotating shaft extends into the first rotating cavity and is fixedly sleeved with a first chain wheel and a second chain wheel, a second rotating cavity is formed in the bottom plate, a first placing hole is formed in the inner wall of one side, close to the first rotating cavity, of the second rotating cavity, the first placing hole is communicated with the first rotating cavity, and a first chain is arranged in the first placing hole. The invention can adjust the use height of the operation table, is convenient for experiment operation, can adjust the angle of the demonstration board, can be observed more conveniently, and has simple structure and convenient use.
Description
Technical Field
The invention relates to the technical field of magnetization devices, in particular to a high-school physics alternating-current variable-frequency electromagnetic induction magnetization device.
Background
Many substances, under the influence of a magnetic field, change their physical and chemical properties to varying degrees, thereby changing their subsequent function or effect of use. At present, most of the magnetic fields are fixed, the direction of the magnetic field is fixed, the electromagnetic field in the alternating current variable frequency electromagnetic induction magnetizing device is an alternating magnetic field, the magnetic force is a reciprocating acting force consistent with the frequency, and the magnetic force repeatedly acts on substances in the magnetic field, so that the physical and chemical properties of the substances are changed along with the frequency and the magnetic induction intensity.
In high school physics class, the mr can test and verify the phenomenon and the relation of different experiments through the experiment to make students to the understanding and the skilled grasp of whole experimentation, in the experimentation, need use experimental apparatus to include, including the demonstration board, be equipped with the demonstration board on the lectern, and be equipped with main control program in the demonstration board, fixed frame is installed to the demonstration board rear side, install ultrasonic cleaner in the middle of the fixed frame, and the ultrasonic cleaner lower extreme is equipped with the chamber of circling round, and the chamber downside of just circling round is equipped with the washing net, and the fixed frame upside is equipped with water electrolysis unit, and water electrolysis unit includes student's power and water electrolysis trough, and the student's power passes through the wire electricity and connects the water electrolysis trough. The high school physics experiment teaching device is provided with a photoelectric effect demonstrator, an ultrasonic cleaner, a water electrolysis device, an accelerator, an arc-shaped chute, a camera and a display screen.
The problem that the existence of current experimental apparatus highly is not convenient for adjust has certain trouble to the experimenter operation, and demonstrates the angle of board and is not convenient for adjust, is not convenient for to the problem that is in the student observation of different angles, consequently, we propose a high school physics and exchange frequency conversion electromagnetic induction magnetization unit and solve above-mentioned problem.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a high-school physics alternating-current variable-frequency electromagnetic induction magnetizing device.
The invention provides a high and middle physics alternating current variable frequency electromagnetic induction magnetizer, which comprises a bottom plate, wherein the top of the bottom plate is provided with a first rotating hole, the top of the bottom plate is fixedly provided with a driving motor, an output shaft of the driving motor extends into the first rotating hole and is welded with a rotating shaft, the bottom plate is provided with a first rotating cavity, the first rotating cavity is positioned below the driving motor and is communicated with the first rotating hole, the bottom end of the rotating shaft extends into the first rotating cavity and is fixedly sleeved with a first chain wheel and a second chain wheel, the bottom plate is provided with a second rotating cavity, the inner wall of one side of the second rotating cavity, which is close to the first rotating cavity, is provided with a first placing hole, the first placing hole is communicated with the first rotating cavity, a first chain is arranged in the first placing hole, a third chain wheel is rotatably arranged in the second rotating cavity, the first chain wheel and the third chain wheel are meshed with the same first chain, the top of the bottom, the second rotating hole is communicated with the second rotating cavity, the third chain wheel is welded with a first screw rod, an operation table is arranged above the bottom plate, a lifting rod is welded at the bottom of the operation table and is positioned above the second rotating hole, the bottom of the lifting rod is provided with a first thread groove, the first screw rod is in threaded connection with the first thread groove, the bottom plate is provided with a third rotating cavity, the first rotating cavity is positioned between the second rotating cavity and the third rotating cavity, the inner wall of one side of the third rotating cavity, which is close to the first rotating cavity, is provided with a second placing hole, the second placing hole is communicated with the first rotating cavity, a second chain is arranged in the second placing hole, a fourth chain wheel is rotatably arranged in the third rotating cavity, the second chain wheel is meshed with the fourth chain wheel and the same second chain, the top of the bottom plate is provided with a third rotating hole, the third rotating hole is communicated with the third rotating cavity, and a second screw rod is rotatably arranged in the third rotating hole, the bottom of second lead screw extends to the third and rotates the intracavity and weld on the fourth sprocket, first slide opening has been seted up on the operation panel, and slidable mounting has the slide bar in the first slide opening, and the slide bar is located the third and rotates the top in hole, and the bottom of slide bar has seted up the second thread groove, and the top of second lead screw extends to the outside of bottom plate and with second thread groove threaded connection, the top of slide bar extends to the top of operation panel and rotates and install the demonstration board, the top slidable mounting of operation panel has the slider, and slidable rotation installs the bottom of demonstration board on the slider.
Preferably, a plurality of supporting legs are welded at the bottom of the bottom plate, and rollers are rotatably mounted at the bottoms of the supporting legs.
Preferably, a first bearing is welded on the inner wall of the bottom of the first rotating cavity, and the bottom end of the rotating shaft is welded on the inner ring of the first rotating shaft.
Preferably, the inner wall of the second rotating hole is welded with an outer ring of a second bearing, and an inner ring of the second bearing is welded on the first screw rod.
Preferably, an outer ring of a third bearing is welded on the inner wall of the third rotating hole, and an inner ring of the third bearing is welded on the second screw rod.
Preferably, the bottom welding of operation panel has the dead lever, and the spout has been seted up to the bottom of dead lever, and slidable mounting has first gag lever post in the spout, and the stopper has all been welded at the top both ends of first gag lever post, has all seted up the spacing groove on the both sides inner wall of spout, and stopper slidable mounting is in the spacing inslot that corresponds.
Preferably, the top of the operating platform is welded with two first fixing blocks, one side, close to each other, of each of the two first fixing blocks is welded with the same second limiting rod, a second sliding hole is formed in the sliding block, and the second limiting rod is slidably mounted in the second sliding hole.
Preferably, the slide bar is kept away from one side welding of demonstration board and is had the second fixed block, has seted up the third slide opening on the second fixed block, and slidable mounting has the third gag lever post in the third slide opening, and the top of third gag lever post extends to the outside of second fixed block and welds and have the dog, and the bottom of third gag lever post welds on the operation panel.
The invention has the beneficial effects that:
the use height of the operation table can be adjusted through the matching of the driving motor, the rotating hole, the first rotating cavity, the rotating shaft, the first chain wheel, the second chain wheel, the first placing hole, the first chain, the second rotating cavity, the third chain wheel, the second rotating hole, the first lead screw, the lifting rod and the first thread groove, when the operation table is used, the output shaft of the driving motor drives the rotating shaft to rotate by starting the driving motor, the rotating shaft is ensured not to deviate through the first bearing, the rotating shaft drives the first chain wheel to rotate, the first chain wheel drives the third chain wheel to rotate by driving the first chain, the third chain wheel drives the first lead screw to rotate, the first lead screw is ensured not to deviate through the second bearing, the first lead screw drives the lifting rod to move by rotating in the first thread groove, and the lifting rod is ensured not to deviate through the matching of the fixed rod, the sliding groove, the limiting rod and the limiting block, the use height of the operating platform is adjusted by the up-and-down sliding of the lifting rod;
the angle of the demonstration board can be adjusted simultaneously through the matching of the second placing hole, the second chain, the third rotating cavity, the third chain wheel, the second lead screw, the fourth chain wheel, the first sliding hole, the sliding rod, the second thread groove and the sliding block, when the operating platform is lifted, the rotating shaft drives the second chain wheel to rotate, the second chain wheel drives the fourth chain wheel to rotate through driving the second chain wheel, the second lead screw is driven to rotate through the rotation of the fourth chain wheel, the second lead screw drives the sliding rod to move through rotating in the second thread groove, the sliding rod is ensured not to deviate through the matching of the second fixing block, the third sliding hole, the third limiting rod and the stop block, the rotating directions of the threads in the second thread groove and the first thread groove are opposite, so that the moving directions of the sliding rod and the lifting rod are opposite, the sliding rod moves to drive the demonstration board to rotate, the demonstration board drives the sliding block to move, and the demonstration board rotates on the sliding block, the sliding block horizontally slides without deviation through the matching of the first fixing block and the second limiting rod, and the angle of the demonstration board is adjusted through the sliding of the sliding block;
the invention can adjust the use height of the operation table, is convenient for experiment operation, can adjust the angle of the demonstration board, can be observed more conveniently, and has simple structure and convenient use.
Drawings
Fig. 1 is a schematic structural diagram of a high-school physics ac frequency conversion electromagnetic induction magnetizing apparatus provided by the present invention;
FIG. 2 is a schematic structural diagram of part A of a high-school physics AC frequency conversion electromagnetic induction magnetizing device provided by the invention;
FIG. 3 is a schematic structural diagram of a part B of a high-school physics AC frequency conversion electromagnetic induction magnetizing apparatus provided by the present invention;
FIG. 4 is a schematic structural diagram of a part C of a high-school physics AC frequency conversion electromagnetic induction magnetizing apparatus provided by the present invention;
fig. 5 is a schematic structural diagram of a part D of a high-school physics ac frequency conversion electromagnetic induction magnetizing apparatus provided by the present invention.
In the figure: the demonstration board comprises a base plate 1, supporting legs 2, rollers 3, a driving motor 4, a first rotating hole 5, a first rotating cavity 6, a rotating shaft 7, a first chain wheel 8, a second chain wheel 9, a first placing hole 10, a first chain 11, a second rotating cavity 12, a third chain wheel 13, a second rotating hole 14, a first lead screw 15, an operation table 16, a lifting rod 17, a first thread groove 18, a second placing hole 19, a second chain 20, a third rotating cavity 21, a third chain wheel 22, a second lead screw 23, a fourth chain wheel 24, a first sliding hole 25, a sliding rod 26, a second thread groove 27, a sliding block 28 and a demonstration board 29.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-5, the embodiment provides a high school physics alternating current frequency conversion electromagnetic induction magnetizer, which includes a bottom plate 1, a first rotating hole 5 is formed at the top of the bottom plate 1, a driving motor 4 is fixedly installed at the top of the bottom plate 1, an output shaft of the driving motor 4 extends into the first rotating hole 5 and is welded with a rotating shaft 7, a first rotating cavity 6 is formed on the bottom plate 1, the first rotating cavity 6 is located below the driving motor 4 and is communicated with the first rotating hole 5, the bottom end of the rotating shaft 7 extends into the first rotating cavity 6 and is fixedly sleeved with a first chain wheel 8 and a second chain wheel 9, a second rotating cavity 12 is formed on the bottom plate 1, a first placing hole 10 is formed on the inner wall of one side of the second rotating cavity 12 close to the first rotating cavity 6, the first placing hole 10 is communicated with the first rotating cavity 6, a first chain 11 is arranged in the first placing hole 10, a third chain wheel 13 is rotatably installed in the second rotating cavity 12, the first chain wheel 8 and the third chain wheel 13 are meshed with the same first chain 11, the top of the bottom plate 1 is provided with a second rotating hole 14, the second rotating hole 14 is communicated with a second rotating cavity 12, the third chain wheel 13 is welded with a first screw rod 15, an operation table 16 is arranged above the bottom plate 1, the bottom of the operation table 16 is welded with a lifting rod 17, the lifting rod 17 is positioned above the second rotating hole 14, the bottom of the lifting rod 17 is provided with a first thread groove 18, the first screw rod 15 is in threaded connection with the first thread groove 18, the bottom plate 1 is provided with a third rotating cavity 21, the first rotating cavity 6 is positioned between the second rotating cavity 12 and the third rotating cavity 21, the inner wall of one side of the third rotating cavity 21, which is close to the first rotating cavity 6, is provided with a second placing hole 19, the second placing hole 19 is communicated with the first rotating cavity 6, a second chain 20 is arranged in the second placing hole 19, and the third rotating cavity 21 is rotatably provided with a fourth chain wheel 24, the second chain wheel 9 and the fourth chain wheel 24 are meshed with the same second chain 20, the top of the bottom plate 1 is provided with a third rotating hole 22, the third rotating hole 22 is communicated with a third rotating cavity 21, a second screw rod 23 is rotatably installed in the third rotating hole 22, the bottom end of the second screw rod 23 extends into the third rotating cavity 21 and is welded on the fourth chain wheel 24, the operating platform 16 is provided with a first sliding hole 25, a sliding rod 26 is slidably installed in the first sliding hole 25, the sliding rod 26 is positioned above the third rotating hole 22, the bottom of the sliding rod 26 is provided with a second threaded groove 27, the top end of the second screw rod 23 extends to the outer side of the bottom plate 1 and is in threaded connection with the second threaded groove 27, the top end of the sliding rod 26 extends to the upper side of the operating platform 16 and is rotatably installed with a demonstration plate 29, the top of the operating platform 16 is slidably installed with a sliding block 28, the bottom of the demonstration plate 29 is slidably installed on the sliding block 28, and, The cooperation of the rotating hole 5, the first rotating cavity 6, the rotating shaft 7, the first chain wheel 8, the second chain wheel 9, the first placing hole 10, the first chain 11, the second rotating cavity 12, the third chain wheel 13, the second rotating hole 14, the first lead screw 15, the lifting rod 17 and the first thread groove 18 can adjust the use height of the operating platform 16, when in use, the output shaft of the driving motor 4 drives the rotating shaft 7 to rotate by starting the driving motor 4, the rotating shaft 7 is ensured to rotate without deviation by the first bearing, the rotating shaft 7 drives the first chain wheel 8 to rotate, the first chain wheel 8 drives the third chain wheel 13 to rotate by driving the first chain 11, the third chain wheel 13 drives the first lead screw 15 to rotate, the first lead screw 15 is ensured to rotate without deviation by the second bearing, the first lead screw 15 drives the lifting rod 17 to move by rotating in the first thread groove 18, and the fixing rod, the sliding groove, the limiting rod, the lifting rod and the lifting rod are fixed, The cooperation of the limiting groove and the limiting block ensures that the lifting rod 17 vertically slides up and down without deviation, the use height of the operation table 16 can be adjusted by the up-and-down sliding of the lifting rod 17, the angle of the demonstration board 29 can be adjusted simultaneously by the cooperation of the second placing hole 19, the second chain 20, the third rotating cavity 21, the third chain wheel 22, the second screw rod 23, the fourth chain wheel 24, the first sliding hole 25, the sliding rod 26, the second thread groove 27 and the sliding block 28, when the operation table 16 is lifted, the rotating shaft 7 drives the second chain wheel 9 to rotate, the second chain wheel 9 drives the fourth chain wheel 24 to rotate by driving the second chain 20, the second screw rod 23 drives the sliding rod 26 to move by rotating in the second thread groove 27, the sliding rod 26 is ensured to slide without deviation by the cooperation of the second fixing block, the third sliding hole, the third limiting rod and the stop block, the screw thread direction in the second thread groove 27 and the first thread groove 18 is opposite, so that the opposite movement directions of the sliding rod 26 and the lifting rod 17 are realized, the sliding rod 26 moves to drive the demonstration plate 29 to rotate, the demonstration plate 29 drives the sliding block 28 to move, the demonstration plate 29 rotates on the sliding block 28, the sliding block 28 horizontally slides without deviation through the matching of the first fixing block and the second limiting rod, and the angle of the demonstration plate 29 is adjusted through the sliding of the sliding block 28.
In the embodiment, a driving motor switch is arranged on an operating platform 16, a plurality of supporting legs 2 are welded at the bottom of a bottom plate 1, idler wheels 3 are rotatably arranged at the bottoms of the supporting legs 2, a first bearing is welded on the inner wall of the bottom of a first rotating cavity 6, the bottom end of a rotating shaft 7 is welded on an inner ring of a first rotating shaft, an outer ring of a second bearing is welded on the inner wall of a second rotating hole 14, an inner ring of the second bearing is welded on a first screw rod 15, an outer ring of a third bearing is welded on the inner wall of a third rotating hole 22, an inner ring of the third bearing is welded on a second screw rod 23, a fixed rod is welded at the bottom of the operating platform 16, a sliding groove is formed at the bottom of the fixed rod, a first limiting rod is slidably arranged in the sliding groove, limiting blocks are welded at two ends of the top of the first limiting rod, limiting grooves are formed in the inner walls, the side, close to each other, of each of the two first fixing blocks is welded with the same second limiting rod, the sliding block 28 is provided with a second sliding hole, the second limiting rod is slidably mounted in the second sliding hole, the side, far away from the demonstration board 29, of the sliding rod 26 is welded with the second fixing block, the second fixing block is provided with a third sliding hole, the third sliding hole is slidably mounted with a third limiting rod, the top end of the third limiting rod extends to the outer side of the second fixing block and is welded with a stop block, the bottom end of the third limiting rod is welded on the operation table 16, the use height of the operation table 16 can be adjusted through the matching of the driving motor 4, the rotating hole 5, the first rotating cavity 6, the rotating shaft 7, the first chain wheel 8, the second chain wheel 9, the first placing hole 10, the first chain 11, the second rotating cavity 12, the third chain wheel 13, the second rotating hole 14, the first screw rod 15, the lifting rod 17 and the first thread groove 18, by starting the driving motor 4, the output shaft of the driving motor 4 drives the rotating shaft 7 to rotate, the rotation of the rotating shaft 7 is ensured to be not deviated through the first bearing, the rotating shaft 7 drives the first chain wheel 8 to rotate, the first chain wheel 8 drives the third chain wheel 13 to rotate through driving the first chain 11, the third chain wheel 13 drives the first screw rod 15 to rotate, the rotation of the first screw rod 15 is ensured to be not deviated through the second bearing, the first screw rod 15 drives the lifting rod 17 to move through rotating in the first thread groove 18, the vertical sliding of the lifting rod 17 is ensured to be not deviated through the matching of the fixed rod, the sliding groove, the limiting rod and the limiting block, the vertical sliding of the lifting rod 17 is realized, the use height of the operating platform 16 is adjusted, and the adjustment is realized through the second placing hole 19, the second chain 20, the third rotating cavity 21, the third chain wheel 22, the second screw rod 23, the fourth chain wheel 24 and, The angle of the demonstration board 29 can be adjusted simultaneously by the cooperation of the sliding rod 26, the second thread groove 27 and the sliding block 28, when the operation table 16 goes up and down, the rotating shaft 7 drives the second chain wheel 9 to rotate, the second chain wheel 9 drives the fourth chain wheel 24 to rotate by driving the second chain 20, the second chain wheel 24 rotates to drive the second screw rod 23 to rotate, the second screw rod 23 rotates in the second thread groove 27 to drive the sliding rod 26 to move, the sliding rod 26 is ensured not to deviate by the cooperation of the second fixing block, the third sliding hole, the third limiting rod and the stop block, the sliding rod 26 is ensured not to slide, the rotating directions of the threads in the second thread groove 27 and the first thread groove 18 are opposite, so that the moving directions of the sliding rod 26 and the lifting rod 17 are opposite, the sliding rod 26 moves to drive the demonstration board 29 to rotate, the demonstration board 29 drives the sliding block 28 to move, the sliding block 29 rotates on the sliding block 28 by the cooperation of the first fixing block and the second limiting rod, the sliding block 28 does not deviate, the angle of the demonstration board 29 can be adjusted through the sliding of the sliding block 28, the use height of the operation table 16 can be adjusted, experiment operation is convenient to conduct, meanwhile, the angle of the demonstration board 29 can be adjusted, observation can be conducted more conveniently, and the demonstration board angle adjusting device is simple in structure and convenient to use.
In the embodiment, when the operation platform 16 is used, the driving motor 4 is started through the driving motor switch, the output shaft of the driving motor 4 drives the rotating shaft 7 to rotate, the rotating shaft 7 is ensured to rotate without deviation through the first bearing, the rotating shaft 7 drives the first chain wheel 8 to rotate, the first chain wheel 8 drives the third chain wheel 13 to rotate through driving the first chain 11, the third chain wheel 13 drives the first screw rod 15 to rotate, the first screw rod 15 is ensured to rotate without deviation through the second bearing, the first screw rod 15 drives the lifting rod 17 to move through rotating in the first thread groove 18, the vertical sliding of the lifting rod 17 is ensured without deviation through the matching of the fixed rod, the sliding groove, the limiting rod, the limiting groove and the limiting block, the use height of the operation platform 16 is adjusted through the vertical sliding of the lifting rod 17, when the operation platform 16 is lifted, the rotating shaft 7 drives the second chain wheel 9 to rotate, the second chain wheel 9 drives the fourth chain wheel 24 to rotate through driving the second chain 20, rotation through fourth sprocket 24 drives second lead screw 23 and rotates, thereby second lead screw 23 drives slide bar 26 through the rotation in second thread groove 27 and removes, through the second fixed block, the third slide opening, the cooperation of third gag lever post and dog guarantees that slide bar 26 slides and does not deviate from the normal position, it is opposite to revolve to the screw thread through second thread groove 27 and the first thread groove 18 in, thereby realize slide bar 26 and lifter 17's motion direction, slide bar 26 removes and drives demonstration board 29 and rotate, demonstration board 29 drives slider 28 and removes, rotate on slider 28 through demonstration board 29, through first fixed block, the cooperation of second gag lever post makes slider 28 horizontal slip not deviate from the normal position, through the slip of slider 28, thereby realize adjusting the angle of demonstration board 29.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A high school physics alternating current frequency conversion electromagnetic induction magnetizer comprises a bottom plate (1) and is characterized in that a first rotating hole (5) is formed in the top of the bottom plate (1), a driving motor (4) is fixedly installed on the top of the bottom plate (1), an output shaft of the driving motor (4) extends into the first rotating hole (5) and is welded with a rotating shaft (7), a first rotating cavity (6) is formed in the bottom plate (1), the first rotating cavity (6) is positioned below the driving motor (4) and is communicated with the first rotating hole (5), the bottom end of the rotating shaft (7) extends into the first rotating cavity (6) and is fixedly sleeved with a first chain wheel (8) and a second chain wheel (9), a second rotating cavity (12) is formed in the bottom plate (1), a first placing hole (10) is formed in the inner wall of one side, close to the first rotating cavity (6), of the second rotating cavity (12), the first placing hole (10) is communicated with the first rotating cavity (6), a first chain (11) is arranged in the first placing hole (10), a third chain wheel (13) is rotatably arranged in the second rotating cavity (12), the first chain wheel (8) and the third chain wheel (13) are meshed with the same first chain (11), a second rotating hole (14) is formed in the top of the bottom plate (1), the second rotating hole (14) is communicated with the second rotating cavity (12), a first screw rod (15) is welded on the third chain wheel (13), an operating table (16) is arranged above the bottom plate (1), a lifting rod (17) is welded at the bottom of the operating table (16), the lifting rod (17) is positioned above the second rotating hole (14), a first thread groove (18) is formed in the bottom of the lifting rod (17), the first screw rod (15) is in threaded connection with the first thread groove (18), a third rotating cavity (21) is formed in the bottom plate (1), the first rotating cavity (6) is positioned between the second rotating cavity (12) and the third rotating cavity (21), a second placing hole (19) is formed in the inner wall of one side, close to the first rotating cavity (6), of the third rotating cavity (21), the second placing hole (19) is communicated with the first rotating cavity (6), a second chain (20) is arranged in the second placing hole (19), a fourth chain wheel (24) is rotatably installed in the third rotating cavity (21), the second chain wheel (9) is meshed with the fourth chain wheel (24) and the same second chain (20), a third rotating hole (22) is formed in the top of the bottom plate (1), the third rotating hole (22) is communicated with the third rotating cavity (21), a second screw rod (23) is rotatably installed in the third rotating hole (22), the bottom end of the second screw rod (23) extends into the third rotating cavity (21) and is welded on the fourth chain wheel (24), a first sliding hole (25) is formed in the operating platform (16), sliding rod (26) is slidably mounted in first slide hole (25), sliding rod (26) is located the third and rotates the top in hole (22), and second thread groove (27) have been seted up to the bottom of sliding rod (26), the top of second lead screw (23) extends to the outside of bottom plate (1) and with second thread groove (27) threaded connection, the top of sliding rod (26) extends to the top of operation panel (16) and rotates and install demonstration board (29), the top slidable mounting of operation panel (16) has slider (28), slidable rotation installs the bottom of demonstration board (29) on slider (28), the bottom welding of bottom plate (1) has a plurality of supporting legs (2), and the bottom of supporting leg (2) is rotated and is installed gyro wheel (3), the welding has first bearing on the bottom inner wall of first rotation chamber (6), on the inner circle of the first pivot in bottom of pivot (7), the inner wall of the second rotating hole (14) is welded with an outer ring of a second bearing, and an inner ring of the second bearing is welded on the first screw rod (15).
2. The high school physics alternating current frequency conversion electromagnetic induction magnetization unit of claim 1, characterized in that, weld the outer lane of third bearing on the inner wall of third rotation hole (22), the inner lane of third bearing welds on second lead screw (23).
3. The high school physics exchanges frequency conversion electromagnetic induction magnetization unit of claim 1, characterized in that, the bottom welding of operation panel (16) has the dead lever, and the bottom of dead lever has seted up the spout, and slidable mounting has first gag lever post in the spout, and the stopper has all been welded at the top both ends of first gag lever post, has all seted up the spacing groove on the both sides inner wall of spout, and stopper slidable mounting is in corresponding spacing inslot.
4. The high school physics alternating current frequency conversion electromagnetic induction magnetization device of claim 1, characterized in that, two first fixed blocks are welded on the top of the operation panel (16), the same second limiting rod is welded on the side where the two first fixed blocks are close to each other, a second slide hole is opened on the slide block (28), and the second limiting rod is slidably mounted in the second slide hole.
5. The high school physics alternating current frequency conversion electromagnetic induction magnetization unit of claim 4, characterized in that, the welding of the one side of slide bar (26) keeping away from demonstration board (29) has the second fixed block, has seted up the third slide opening on the second fixed block, and slidable mounting has the third gag lever post in the third slide opening, and the top of third gag lever post extends to the outside of second fixed block and welds and have the dog, and the bottom of third gag lever post welds on operation panel (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014367.1A CN109658789B (en) | 2019-01-08 | 2019-01-08 | High school physics exchanges frequency conversion electromagnetic induction magnetization unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014367.1A CN109658789B (en) | 2019-01-08 | 2019-01-08 | High school physics exchanges frequency conversion electromagnetic induction magnetization unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109658789A CN109658789A (en) | 2019-04-19 |
| CN109658789B true CN109658789B (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910014367.1A Active CN109658789B (en) | 2019-01-08 | 2019-01-08 | High school physics exchanges frequency conversion electromagnetic induction magnetization unit |
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| CN110277009A (en) * | 2019-08-05 | 2019-09-24 | 王浩鉴 | A kind of high school physics AC frequency conversion electromagnetic induction magnetization apparatus for demonstrating |
| CN112185223A (en) * | 2020-11-02 | 2021-01-05 | 重庆三峡学院 | Simulation experiment display platform for electromagnetic induction phenomenon learning |
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